Hi Gaurav, a schema versioning bug was fixed in 2.0.7.

Best wishes, Duncan.

On 12/05/14 21:31, Gaurav Sehgal wrote:
We have recently started seeing a lot of Schema Disagreement errors. We are
using Cassandra 2.0.6 with Oracle Java 1.7. I went through the Cassandra FAQ and
followed the below steps:


  * nodetool disablethrift
  * nodetool disablegossip
  * nodetool drain
  *

    'kill <pid>'.


As per the documentation; the commit logs should have been flush; but that did
not happen in our case. The commit logs were still there. So, I removed them
manually to make sure there are no commit logs when cassandra start up( which
was fine in our case as this data can always be replayed).  I also deleted the
schema* directory from the /data/system folder.

Though when we started cassandra back up the issue started happening again.


Any help would be appreciated

Cheers!
Gaurav



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